GeneSpring provides you with the option to create your organism and build in the tool.
•Go to “Annotations -> Annotations Manager -> Create”
•Select “New Organism”
•Enter Common name, Scientific name and Taxonomy ID
Create New Build
•Go to “Annotations -> Annotation Manager -> Click on the Organism of interest -> Create”
•Select “New Build”
•Enter a name, build source and browse for the file with chromosome name and length information.